Wide-angle lenses will . a. preserve sharp focus from foreground to background b. make objects moving toward the camera appear to be not moving at all compress c. the distance between foreground and background d. are good at rack or selective focusing

Agroup of monkeys is trying to cross the river in a rowboat. the maximum buoyant force on the rowboat is 2,000 n. the weight of the rowboat is 1,000 n. each monkey has a weight of 150 n. how many monkeys can safely cross in the rowboat at one time? explain your reasoning, including any calculations you used to find the answer.